Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4FHB callsign genealogy
Currently held by Jeske Jr, Donald E
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KO4FHB's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KO4FHB.
- JESKE Jr, Donald EFLgranted 2025-04-04